Microwave oven or similar article



FIG. 1 is a front perspective view of a microwave oven or similar article showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top elevational view thereof;

FIG. 4 is a left side elevational view thereof; and

FIG. 5 is a rear elevational view thereof. 

The ornamental design for a microwave oven or similar article, as shown and described. 